Oracle 11g XE install on Ubuntu 14/16

After Ubuntu downloaded and installed.

First install Java:

sudo add-apt-repository ppa:webupd8team/java

sudo apt-get update

sudo apt-get install oracle-java8-installer


sudo nano /etc/bash.bashrc
export JAVA_HOME=/usr/lib/jvm/java-8-oracle
export PATH=$JAVA_HOME/bin:$PATH

Reload sources:

source /etc/bash.bashrc



result should be:


Second: Download and prepare Oracle DB

Copy the downloaded file and paste it in home directory.

Unzip using the command:

Install required packages using the command:

sudo apt-get install alien libaio1 unixodbc

Enter into the Disk1 folder using command:

cd Disk1/

Convert RPM package format to DEB package format (that is used by Ubuntu) using the command:

sudo alien --scripts -d oracle-xe-11.2.0-1.0.x86_64.rpm

Create the required chkconfig script using the command:

sudo pico /sbin/chkconfig

The pico text editor is started and the commands are shown at the bottom of the screen. Now copy and paste the following into the file and save:

# Oracle 11gR2 XE installer chkconfig hack for Ubuntu
if [[ ! `tail -n1 $file | grep INIT` ]]; then
    echo >> $file
    echo '### BEGIN INIT INFO' >> $file
    echo '# Provides: OracleXE' >> $file
    echo '# Required-Start: $remote_fs $syslog' >> $file
    echo '# Required-Stop: $remote_fs $syslog' >> $file
    echo '# Default-Start: 2 3 4 5' >> $file
    echo '# Default-Stop: 0 1 6' >> $file
    echo '# Short-Description: Oracle 11g Express Edition' >> $file
    echo '### END INIT INFO' >> $file
update-rc.d oracle-xe defaults 80 01

Change the permission of the chkconfig file using the command:

sudo chmod 755 /sbin/chkconfig  

Set kernel parameters. Oracle 11gR2 XE requires additional kernel parameters which you need to set using the command:

sudo pico /etc/sysctl.d/60-oracle.conf

Copy the following into the file and save:

# Oracle 11g XE kernel parameters 
net.ipv4.ip_local_port_range=9000 65000  
kernel.sem=250 32000 100 128 

Verify the change using the command:

sudo cat /etc/sysctl.d/60-oracle.conf 

You should see what you entered earlier. Now load the kernel parameters:

sudo service procps start

Verify the new parameters are loaded using:

sudo sysctl -q fs.file-max

You should see the file-max value that you entered earlier.

Set up /dev/shm mount point for Oracle. Create the following file using the command:

sudo pico /etc/rc2.d/S01shm_load

Copy the following into the file and save.

case "$1" in
    mkdir /var/lock/subsys 2>/dev/null
    touch /var/lock/subsys/listener
    rm /dev/shm 2>/dev/null
    mkdir /dev/shm 2>/dev/null
    echo error
    exit 1


Change the permissions of the file using the command:

sudo chmod 755 /etc/rc2.d/S01shm_load

Now execute the following commands:

sudo ln -s /usr/bin/awk /bin/awk 
sudo mkdir /var/lock/subsys 
sudo touch /var/lock/subsys/listener

Install Oracle

Install the oracle DBMS using the command:

sudo dpkg --install oracle-xe_11.2.0-2_amd64.deb

Configure Oracle using the command:

sudo /etc/init.d/oracle-xe configure

Setup environment variables by editting your .bashrc file:

pico ~/.bashrc

Add the following lines to the end of the file:

export ORACLE_HOME=/u01/app/oracle/product/11.2.0/xe
export NLS_LANG=`$ORACLE_HOME/bin/`
export ORACLE_BASE=/u01/app/oracle

Load the changes by executing your profile:

. ~/.bashrc

Start the Oracle 11gR2 XE:

sudo service oracle-xe start

Add user YOURUSERNAME to group dba using the command:

sudo usermod -a -G dba YOURUSERNAME


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